RECYCLING OF COAL GANGUE TO PREPARE LOW DENSITY CERAMIC PROPPANTS FOR COAL BED METHANE WELLS by Jianying Hao, Yunfeng Gao, Li Xianjun, Bai Pinbo, Tian Yuming

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THE LOW TEMPERATURE PREPARATION OF ULTRA LOW-DENSITY CERAMIC PROPPANTS BY ADDING FLY ASH by Xinwei Zou, Ruyuan Hou, Hao Jianying, Li Guomin, Wang Kaiyue, Tian Yuming

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Preparation and characterization of low-cost high-performance mullite-quartz ceramic proppants for coal bed methane wells by Wang Kaiyue, Wang Huijun, Zhou Yi, Li Guomin, Wu Yaqiao, Hao Jianying, Tian Yuming

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